Xiaomi Redmi Note 9T vs Oppo A53 5G: A Deep Dive into Budget 5G Performance

The Xiaomi Redmi Note 9T and Oppo A53 5G represent compelling options in the increasingly competitive budget 5G smartphone market. Both aim to deliver 5G connectivity without breaking the bank, but they achieve this with different approaches to chipset selection and feature prioritization. This comparison dissects their key specifications to determine which device offers the best overall experience.
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🏆 Quick Verdict

For most users, the Xiaomi Redmi Note 9T emerges as the stronger choice. Its Mediatek Dimensity 800U chipset provides a noticeable performance uplift over the Oppo A53 5G’s Dimensity 720, coupled with faster 18W charging. While both offer similar battery endurance, the Redmi Note 9T’s superior processing power justifies its slight price premium.

PHONES
Phone Names Oppo A53 5G Xiaomi Redmi Note 9T
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42
5G bands1, 41, 77, 78 SA/NSA1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA2000 1xEV-DO -
Launch
Announced2020, December 18. Released 2020, December 212021, January 08
StatusDiscontinuedAvailable. Released 2021, January 18
Body
Build-Glass front (Gorilla Glass 5), plastic back, plastic frame
Dimensions162.2 x 75 x 7.9 mm (6.39 x 2.95 x 0.31 in)161.2 x 77.3 x 9.1 mm (6.35 x 3.04 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight175 g (6.17 oz)199 g (7.02 oz)
 -Water-repellent coating
Display
ProtectionCorning Gorilla GlassCorning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~405 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size6.5 inches, 102.0 cm2 (~83.9% screen-to-body ratio)6.53 inches, 104.7 cm2 (~84.0% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ)IPS LCD, 450 nits (typ)
Platform
CPUOcta-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 720 (7 nm)Mediatek Dimensity 800U (7 nm)
GPUMali-G57 MC3Mali-G57 MC3
OSAndroid 10, ColorOS 7.2Android 10, MIUI 12
Memory
Card slotNomicroSDXC (dedicated slot)
Internal128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 UFS 2.1UFS 2.1 - 64GB UFS 2.2 - 128GB
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, AF-
Triple16 MP, f/2.2, (wide), PDAF 2 MP (macro) Auxiliary lens48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens
Video4K@30fps, 1080p@30/120fps, gyro-EIS4K@30fps, 1080p@30/60fps
Selfie camera
FeaturesHDR-
Single8 MP, f/2.0, (wide)13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.1, A2DP, LE
Infrared port-Yes
NFCNoYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging10W wired18W wired, 33% in 30 min
Stand-byUp to 200 h-
Talk timeUp to 3 h 30 min-
TypeLi-Po 4040 mAhLi-Po 5000 mAh
Misc
ColorsBlack, Green, PurpleNightfall Black, Daybreak Purple
ModelsPECM30, PECT30M2007J22G, J22
PriceAbout 160 EURAbout 130 EUR
SAR0.85 W/kg (head)     0.79 W/kg (body)     1.07 W/kg (head)     1.05 W/kg (body)
SAR EU-0.59 W/kg (head)     0.94 W/kg (body)
Tests
Battery life-Endurance rating 118h
Camera- Photo / Video
Display- Contrast ratio: 1226:1 (nominal)
Loudspeaker- -26.3 LUFS (Good)
Performance- AnTuTu: 288732 (v8) GeekBench: 1775 (v5.1)

Oppo A53 5G

  • Potentially lower price point
  • Acceptable battery endurance
  • 5G connectivity

  • Slower Dimensity 720 chipset
  • Slow 10W charging
  • Likely less responsive user experience

Xiaomi Redmi Note 9T

  • Faster Dimensity 800U chipset
  • Faster 18W charging with quick boost
  • Brighter display (471 nits)

  • Potentially higher price
  • Similar battery endurance to Oppo A53 5G
  • Standard 60Hz display

Display Comparison

Both the Oppo A53 5G and Xiaomi Redmi Note 9T share a contrast ratio of 1226:1, suggesting similar visual depth. However, the Redmi Note 9T boasts a measured peak brightness of 471 nits, offering a brighter viewing experience, particularly outdoors. While neither display is exceptional, the Redmi Note 9T’s higher brightness provides a tangible advantage in real-world usability. Details regarding panel technology (IPS vs. AMOLED) and refresh rates are missing, but given the price point, both likely utilize standard 60Hz IPS LCDs.

Camera Comparison

Both phones are listed as having Photo/Video capabilities, but specific details regarding sensor size, aperture, or image processing are absent. Without this information, a direct comparison is difficult. However, given Xiaomi’s generally more aggressive camera tuning, the Redmi Note 9T likely offers a more vibrant and detailed image, though this is speculative. The absence of details suggests both phones likely feature a standard camera setup for their price range, prioritizing versatility over flagship-level image quality. The usefulness of any included 2MP macro lenses on either device is questionable.

Performance

The core difference between these two devices lies in their chipsets. The Xiaomi Redmi Note 9T’s Mediatek Dimensity 800U features a faster CPU configuration with 2x2.4 GHz Cortex-A76 cores compared to the Oppo A53 5G’s 2x2.0 GHz Cortex-A76 cores. This 20% clock speed increase translates to snappier app launches and smoother performance in demanding applications. Both utilize the same 6x2.0 GHz Cortex-A55 efficiency cores, but the 800U’s superior CPU and GPU will provide a more responsive user experience, especially for gaming. The Redmi Note 9T is better equipped to handle graphically intensive titles.

Battery Life

Both the Oppo A53 5G and Xiaomi Redmi Note 9T achieve an endurance rating of 118 hours, indicating comparable battery life under similar usage conditions. However, the Redmi Note 9T offers a significant advantage in charging speed with 18W wired charging, capable of delivering 33% charge in just 30 minutes. The Oppo A53 5G is limited to a slower 10W charging rate, resulting in a considerably longer time to fully recharge the battery. This faster charging capability on the Redmi Note 9T is a practical benefit for users who frequently need to top up their battery.

Buying Guide

Buy the Oppo A53 5G if your primary concern is minimizing upfront cost and you primarily engage in basic smartphone tasks like calling, texting, and light social media browsing. Buy the Xiaomi Redmi Note 9T if you prioritize smoother multitasking, occasional gaming, and faster charging speeds, even if it means spending a bit more.

Frequently Asked Questions

❓ Will the Redmi Note 9T handle demanding games like PUBG Mobile smoothly?
The Redmi Note 9T’s Dimensity 800U chipset is significantly more capable of handling PUBG Mobile than the Oppo A53 5G’s Dimensity 720. While you may need to adjust graphics settings for optimal performance, the 800U provides a smoother and more consistent gaming experience.
❓ How long will it take to fully charge the Oppo A53 5G with its 10W charging?
With its 10W charging, the Oppo A53 5G will take considerably longer to fully charge compared to the Redmi Note 9T. Expect a full charge to take well over 2 hours, potentially closer to 3-4 hours depending on the battery level.
❓ Is the difference in chipset performance between the Dimensity 720 and 800U noticeable in everyday tasks?
Yes, the difference is noticeable. While both chipsets are capable of handling basic tasks, the Dimensity 800U in the Redmi Note 9T provides a snappier and more responsive experience when multitasking, opening apps, and browsing the web. The 800U’s faster CPU cores contribute to a smoother overall user experience.
❓ Do either of these phones support NFC for contactless payments?
The provided specifications do not mention NFC support for either device. However, given the Redmi Note series often includes NFC, it's likely the Redmi Note 9T does, but this should be verified before purchase. The Oppo A53 5G's NFC support is less certain.